In this page, the publications are ordered by type. You can also see them ordered by year.

Manuscripts

M4	Metric distortion of obnoxious distributed voting Alexandros A. Voudouris [ arxiv ]
M3	Constrained truthful obnoxious two-facility location with optional preferences Panagiotis Kanellopoulos and Alexandros A. Voudouris [ arxiv ]
M2	Metric distortion under group-fair objectives Georgios Amanatidis, Elliot Anshelevich, Christopher Jerrett, and Alexandros A. Voudouris [ arxiv ]
M1	Diversity-seeking jump games in networks Lata Narayanan, Yasaman Sabbagh, and Alexandros A. Voudouris [ arxiv ]

Journals

J37	Truthful two-facility location with candidate locations Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang Theoretical Computer Science, volume 1024, article 114913, 2025 [ tcs paper ]
J36	Truthful interval covering Argyrios Deligkas, Aris Filos-Ratsikas and Alexandros A. Voudouris Autonomous Agents and Multi-Agent Systems, volume 38, article 41, 2024 [ jaamas paper ]
J35	Revisiting the distortion of distributed voting Aris Filos-Ratsikas and Alexandros A. Voudouris Theory of Computing Systems, volume 68, pages 1138–1159, 2024 [ tocs paper ]
J34	The distortion of distributed facility location Aris Filos-Ratsikas, Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang Artificial Intelligence, volume 328, article 104066, 2024 [ artint paper ]
J33	On truthful constrained heterogeneous facility location with max-variant cost Mohammad Lotfi and Alexandros A. Voudouris Operations Research Letters, volume 52, article 107060, 2024 [ orl paper | arxiv ]
J32	Don't roll the dice, ask twice: The two-query distortion of matching problems and beyond Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris SIAM Journal on Discrete Mathematics, volume 38(1), pages 1007-1029, 2024 [ sidma paper ]
J31	Truthful ownership transfer with expert advice Ioannis Caragiannis, Aris Filos-Ratsikas, Swaprava Nath, and Alexandros A. Voudouris Mathematical Programming, volume 203, pages 871-900, 2024 [ mapr paper | arxiv ]
J30	Not all strangers are the same: The impact of tolerance in Schelling games Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris Theoretical Computer Science, volume 971, article 114065, 2023 [ tcs paper ]
J29	Fair division of indivisible goods: Recent progress and open questions Georgios Amanatidis, Haris Aziz, Georgios Birmpas, Aris Filos-Ratsikas, Bo Li, Hervé Moulin, Alexandros A. Voudouris, Xiaowei Wu Artificial Intelligence, volume 322, article 103965, 2023 [ artint paper | arxiv ]
J28	Tight distortion bounds for distributed metric voting on a line Alexandros A. Voudouris Operations Research Letters, volume 51(3), pages 266-269, 2023 [ orl paper | arxiv ]
J27	Heterogeneous facility location with limited resources Argyrios Deligkas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Games and Economic Behavior, volume 139, pages 200-215, 2023 [ geb paper ]
J26	On discrete truthful heterogeneous two-facility location Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang SIAM Journal on Discrete Mathematics, volume 37(2), pages 779-799, 2023 [ sidma paper ]
J25	The metric distortion of multiwinner voting Ioannis Caragiannis, Nisarg Shah, and Alexandros A. Voudouris Artificial Intelligence, volume 313, article 103802, 2022 [ artint paper ]
J24	Multi-Agent Systems for Computational Economics and Finance Michael Kampouridis, Panagiotis Kanellopoulos, Maria Kyropoulou, Themistoklis Melissourgos, and Alexandros A. Voudouris AI Communications, volume 35(4), pages 369-380, 2022 [ ai-comm paper ]
J23	The distortion of distributed metric social choice Elliot Anshelevich, Aris Filos-Ratsikas, and Alexandros A. Voudouris Artificial Intelligence, volume 308, article 103713, 2022 [ artint paper ]
J22	A few queries go a long way: Information-distortion tradeoffs in matching Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Journal of Artificial Intelligence Research, volume 74, pages 227-261, 2022 [ jair paper ]
J21	Bounding the inefficiency of compromise in opinion formation Ioannis Caragiannis, Panagiotis Kanellopoulos, and Alexandros A. Voudouris Algorithmica, volume 84, pages 234–271, 2022 [ algo paper ]
J20	Optimally deceiving a learning leader in Stackelberg games Georgios Birmpas, Jiarui Gan, Alexandros Hollender, Francisco J. Marmolejo-Cossio, Ninad Rajgopal, and Alexandros A. Voudouris Journal of Artificial Intelligence Research, volume 72, pages 507-531, 2021 [ jair paper ]
J19	Schelling games on graphs Aishwarya Agarwal, Edith Elkind, Jiarui Gan, Ayumi Igarashi, Warut Suksompong, and Alexandros A. Voudouris Artificial Intelligence, volume 301, article 103576, 2021 [ artint paper ]
J18	Modified Schelling games Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris Theoretical Computer Science, volume 880, pages 1-19, 2021 [ tcs paper ]
J17	Welfare guarantees in Schelling segregation Martin Bullinger, Warut Suksompong, and Alexandros A. Voudouris Journal of Artificial Intelligence Research, volume 71, pages 143-174, 2021 [ jair paper ]
J16	Peeking behind the ordinal curtain: Improving distortion via cardinal queries Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Artificial Intelligence, volume 296, article 103488, 2021 [ artint paper ]
J15	Maximum Nash welfare and other stories about EFX Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, Alexandros Hollender, and Alexandros A. Voudouris Theoretical Computer Science, volume 863, pages 69-85, 2021 [ tcs paper ]
J14	The efficiency of resource allocation mechanisms for budget-constrained users Ioannis Caragiannis and Alexandros A. Voudouris Mathematics of Operations Research, volume 46(2), pages 503-523, 2021 [ mor paper ]
J13	Protecting elections by recounting ballots Edith Elkind, Jiarui Gan, Svetlana Obraztsova, Zinovi Rabinovich, and Alexandros A. Voudouris Artificial Intelligence, volume 290, article 103401, 2021 [ artint paper ]
J12	Simple combinatorial auctions with budget constraints Alexandros A. Voudouris Theoretical Computer Science, volume 842, pages 6-17, 2020 [ tcs paper | arxiv ]
J11	Almost envy-freeness in group resource allocation Maria Kyropoulou, Warut Suksompong, and Alexandros A. Voudouris Theoretical Computer Science, volume 841, pages 110-123, 2020 [ tcs paper ]
J10	How effective can simple ordinal peer grading be? Ioannis Caragiannis, George A. Krimpas, and Alexandros A. Voudouris ACM Transactions on Economics and Computation, volume 8, issue 3, article 16, 2020 Invited to special issue on selected papers from EC 2016 [ teac paper ]
J9	The distortion of distributed voting Aris Filos-Ratsikas, Evi Micha, and Alexandros A. Voudouris Artificial Intelligence, volume 286, article 103343, 2020 [ artint paper ]
J8	Energy-aware tree network formation among computationally weak nodes Adelina Madhja, Sotiris Nikoletseas and Alexandros A. Voudouris Computer Networks, volume 168, article 107068, 2020 [ comnet paper ]
J7	Envy-freeness in house allocation problems Jiarui Gan, Warut Suksompong, and Alexandros A. Voudouris Mathematical Social Sciences, volume 101, pages 104-106, 2019 [ mss paper | arxiv ]
J6	Adaptive wireless power transfer in mobile ad hoc networks Adelina Madhja, Sotiris Nikoletseas, and Alexandros A. Voudouris Computer Networks, volume 152, pages 87-97, 2019 [ comnet paper ]
J5	A note on the efficiency of position mechanisms with budget constraints Alexandros A. Voudouris Information Processing Letters, volume 143, pages 28-33, 2019 [ ipl paper | arxiv ]
J4	Optimizing positional scoring rules for rank aggregation Ioannis Caragiannis, Xenophon Chatzigeorgiou, George A. Krimpas, and Alexandros A. Voudouris Artificial Intelligence, volume 267, pages 58-77, 2019 [ artint paper ]
J3	Near-optimal asymmetric binary matrix partitions Fidaa Abed, Ioannis Caragiannis, and Alexandros A. Voudouris Algorithmica, volume 80(1), pages 48-72, 2018 [ algo paper ]
J2	Efficiency and complexity of price competition among single-product vendors Ioannis Caragiannis, Xenophon Chatzigeorgiou, Panagiotis Kanellopoulos, George A. Krimpas, Nikos Protopapas, and Alexandros A. Voudouris Artificial Intelligence, volume 248, pages 9-25, 2017 [ artint paper ]
J1	Welfare guarantees for proportional allocations Ioannis Caragiannis and Alexandros A. Voudouris Theory of Computing Systems, volume 59(4), pages 581-599, 2016 Invited to special issue on selected papers from SAGT 2014/2015 [ tocs paper ]

Conferences

C40	Agent-constrained truthful facility location games Argyrios Deligkas, Mohammad Lotfi, and Alexandros A. Voudouris Proceedings of the 17th International Symposium on Algorithmic Game Theory (SAGT), 2024 [ sagt paper | arxiv ]
C39	The distortion of threshold approval matching Mohamad Latifian and Alexandros A. Voudouris Proceedings of the 33rd International Joint Conference on Artificial Intelligence (IJCAI), 2024 [ ijcai paper | arxiv ]
C38	Truthful interval covering Argyrios Deligkas, Aris Filos-Ratsikas and Alexandros A. Voudouris Proceedings of the 33rd International Joint Conference on Artificial Intelligence (IJCAI), 2024 [ ijcai paper | arxiv ]
C37	Improved metric distortion via threshold approvals Elliot Anshelevich, Aris Filos-Ratsikas, Christopher Jerret, Alexandros A. Voudouris Proceedings of the 38th AAAI Conference on Artificial Intelligence (AAAI), 2024 [ aaai paper | arxiv ]
C36	Truthful two-facility location with candidate locations Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang Proceedings of the 16th International Symposium on Algorithmic Game Theory (SAGT), 2023 [ sagt paper | arxiv ]
C35	Settling the distortion of distributed facility location Aris Filos-Ratsikas, Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang Proceedings of the 22nd International Conference on Autonomous Agents and Multiagent Systems (AAMAS), 2023 [ aamas paper | arxiv ]
C34	Revisiting the distortion of distributed voting Aris Filos-Ratsikas and Alexandros A. Voudouris Proceedings of the 22nd International Conference on Autonomous Agents and Multiagent Systems (AAMAS), 2023 [ aamas paper | arxiv ]
C33	Don't roll the dice, ask twice: The two-query distortion of matching problems and beyond Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Proceedings of the 36th Conference on Neural Information Processing Systems (NeurIPS), 2022 [ neurips paper | arxiv ]
C32	Not all strangers are the same: The impact of tolerance in Schelling games Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris Proceedings of the 47th International Symposium on Mathematical Foundations of Computer Science (MFCS), 2022 [ mfcs paper | arxiv ]
C31	On discrete truthful heterogeneous two-facility location Panagiotis Kanellopoulos, Alexandros A. Voudouris, and Rongsen Zhang Proceedings of the 31st International Joint Conference on Artificial Intelligence (IJCAI), pages 342-348, 2022 [ ijcai paper | arxiv ]
C30	Fair division of indivisible goods: A survey Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Proceedings of the 31st International Joint Conference on Artificial Intelligence (IJCAI Survey Track), pages 5385-5393, 2022 [ ijcai paper | arxiv ]
C29	Optimizing mixed-asset portfolios involving REITs Fatim Habbab, Michael Kampouridis and Alexandros A. Voudouris Proceedings of the 2022 IEEE Computational Intelligence for Financial Engineering and Economics (CIFEr), 2022 [ cifer paper ]
C28	The metric distortion of multiwinner voting Ioannis Caragiannis, Nisarg Shah, and Alexandros A. Voudouris Proceedings of the 36th AAAI Conference on Artificial Intelligence (AAAI), pages 4900-4907, 2022 [ aaai paper | arxiv ]
C27	Heterogeneous facility location with limited resources Argyrios Deligkas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Proceedings of the 36th AAAI Conference on Artificial Intelligence (AAAI), pages 4966-4974, 2022 [ aaai paper | arxiv ]
C26	The distortion of distributed metric social choice Elliot Anshelevich, Aris Filos-Ratsikas and Alexandros A. Voudouris Proceedings of the 17th Conference on Web and Internet Economics (WINE), 2021 [ wine paper | arxiv ]
C25	Approximate mechanism design for distributed facility location Aris Filos-Ratsikas and Alexandros A. Voudouris Proceedings of the 14th International Symposium on Algorithmic Game Theory (SAGT), pages 49-63, 2021 [ sagt paper | arxiv ]
C24	Distortion in social choice problems: The first 15 years and beyond Elliot Anshelevich, Aris Filos-Ratsikas, Nisarg Shah, and Alexandros A. Voudouris Proceedings of the 30th International Joint Conference on Artificial Intelligence (IJCAI Survey Track), pages 4294-4301, 2021 [ ijcai paper | arxiv ]
C23	A few queries go a long way: Information-distortion tradeoffs in matching Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Proceedings of the 35th AAAI Conference on Artificial Intelligence (AAAI), pages 5078-5085, 2021 [ aaai paper | arxiv ]
C22	Welfare guarantees in Schelling segregation Martin Bullinger, Warut Suksompong, and Alexandros A. Voudouris Proceedings of the 35th AAAI Conference on Artificial Intelligence (AAAI), pages 5236-5243, 2021 [ aaai paper | arxiv ]
C21	Optimally deceiving a learning leader in Stackelberg games Georgios Birmpas, Jiarui Gan, Alexandros Hollender, Francisco J. Marmolejo-Cossio, Ninad Rajgopal, and Alexandros A. Voudouris Proceedings of the 34th Conference on Neural Information Processing Systems (NeurIPS), 2020 [ neurips paper | arxiv ]
C20	Modified Schelling games Panagiotis Kanellopoulos, Maria Kyropoulou, and Alexandros A. Voudouris Proceedings of the 13th International Symposium on Algorithmic Game Theory (SAGT), pages 241-256, 2020 [ sagt paper | arxiv ]
C19	Maximum Nash welfare and other stories about EFX Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, Alexandros Hollender, and Alexandros A. Voudouris Proceedings of the 29th International Joint Conference on Artificial Intelligence (IJCAI), pages 24-30, 2020 [ ijcai paper | arxiv ]
C18	Swap stability in Schelling games on graphs Aishwarya Agarwal, Edith Elkind, Jiarui Gan, and Alexandros A. Voudouris Proceedings of the 34th AAAI Conference on Artificial Intelligence (AAAI), pages 1758-1765, 2020 [ aaai paper | arxiv ]
C17	Peeking behind the ordinal curtain: Improving distortion via cardinal queries Georgios Amanatidis, Georgios Birmpas, Aris Filos-Ratsikas, and Alexandros A. Voudouris Proceedings of the 34th AAAI Conference on Artificial Intelligence (AAAI), pages 1782-1789, 2020 [ aaai paper | arxiv ]
C16	The distortion of distributed voting Aris Filos-Ratsikas, Evi Micha, and Alexandros A. Voudouris Proceedings of the 12th International Symposium on Algorithmic Game Theory (SAGT), pages 312-325, 2019 [ sagt paper | arxiv ]
C15	Protecting elections by recounting ballots Edith Elkind, Jiarui Gan, Svetlana Obraztsova, Zinovi Rabinovich, and Alexandros A. Voudouris Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI), pages 259-265, 2019 [ ijcai paper | arxiv ]
C14	Schelling games on graphs Edith Elkind, Jiarui Gan, Ayumi Igarashi, Warut Suksompong, and Alexandros A. Voudouris Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI), pages 266-272, 2019 [ ijcai paper | arxiv ]
C13	Almost envy-freeness in group resource allocation Maria Kyropoulou, Warut Suksompong, and Alexandros A. Voudouris Proceedings of the 28th International Joint Conference on Artificial Intelligence (IJCAI), pages 400-406, 2019 [ ijcai paper | arxiv ]
C12	Peer-to-peer energy-aware tree network formation Adelina Madhja, Sotiris Nikoletseas, Dimitrios Tsolovos, and Alexandros A. Voudouris Proceedings of the 16th ACM International Symposium on Mobility Management and Wireless Access (MOBIWAC), pages 1-8, 2018 [ mobiwac paper | arxiv ]
C11	Mobility-aware, adaptive algorithms for wireless power transfer in ad hoc networks Adelina Madhja, Sotiris Nikoletseas, and Alexandros A. Voudouris Proceedings of the 14th International Symposium on Algorithms and Experiments for Wireless Sensor Networks (ALGOSENSORS), pages 145-158, 2018 [ algosensors paper | arxiv ]
C10	Adaptive wireless power transfer in mobile ad hoc networks Adelina Madhja, Sotiris Nikoletseas, and Alexandros A. Voudouris Proceedings of the 14th International Conference on Distributed Computing in Sensor Systems (DCOSS), pages 121-122, 2018 [ dcoss paper ]
C9	The efficiency of resource allocation mechanisms for budget-constrained users Ioannis Caragiannis and Alexandros A. Voudouris Proceedings of the 19th ACM Conference on Economics and Computation (EC), pages 681-698, 2018 [ ec paper | arxiv ]
C8	Bounding the inefficiency of compromise Ioannis Caragiannis, Panagiotis Kanellopoulos, and Alexandros A. Voudouris Proceedings of the 26th International Joint Conference on Artificial Intelligence (IJCAI), pages 142-148, 2017 [ ijcai paper | arxiv ]
C7	Optimizing positional scoring rules for rank aggregation Ioannis Caragiannis, Xenophon Chatzigeorgiou, George A. Krimpas, and Alexandros A. Voudouris Proceedings of the 31st AAAI Conference on Artificial Intelligence (AAAI), pages 430-436, 2017 [ aaai paper | arxiv ]
C6	How effective can simple ordinal peer grading be? Ioannis Caragiannis, George A. Krimpas, and Alexandros A. Voudouris Proceedings of the 17th ACM Conference on Economics and Computation (EC), pages 323-340, 2016 Also presented as poster at WINE 2016 and as extended abstract at COMSOC 2016 [ ec paper | arxiv ]
C5	co-rank: an online tool for collectively deciding efficient rankings among peers Ioannis Caragiannis, George A. Krimpas, Marianna Panteli, and Alexandros A. Voudouris Proceedings of the 30th AAAI Conference on Artificial Intelligence (AAAI), pages 4351-4352, 2016 [ co-rank | aaai paper ]
C4	Near-optimal asymmetric binary matrix partitions Fidaa Abed, Ioannis Caragiannis, and Alexandros A. Voudouris Proceedings of the 40th International Symposium on Mathematical Foundations of Computer Science (MFCS), pages 1-13, 2015 [ mfcs paper | arxiv ]
C3	Efficiency and complexity of price competition among single-product vendors Ioannis Caragiannis, Xenophon Chatzigeorgiou, Panagiotis Kanellopoulos, George A. Krimpas, Nikos Protopapas, and Alexandros A. Voudouris Proceedings of the 24th International Joint Conference on Artificial Intelligence (IJCAI), pages 25-31, 2015 [ ijcai paper | arxiv ]
C2	Aggregating partial rankings with applications to peer grading in massive online open courses Ioannis Caragiannis, George A. Krimpas, and Alexandros A. Voudouris. Proceedings of the 14th International Conference on Autonomous Agents and Multi-Agent Systems (AAMAS), pages 675-683, 2015 [ aamas paper | arxiv ]
C1	Welfare guarantees for proportional allocations Ioannis Caragiannis and Alexandros A. Voudouris Proceedings of the 7th International Symposium on Algorithmic Game Theory (SAGT), pages 206-217, 2014 [ sagt paper | arxiv ]

Dissertations

D3	Design and analysis of algorithms for non-cooperative environments Alexandros A. Voudouris PhD thesis, Department of Computer Engineering and Informatics, University of Patras, Greece, 2018 [ pdf | slides (gr|en) ]
D2	On the efficiency of divisible resource allocation mechanisms Alexandros A. Voudouris M.Sc. thesis, Department of Computer Engineering and Informatics, University of Patras, Greece, 2014 [ pdf (in greek) ]
D1	Search algorithms for natural deduction proofs Alexandros A. Voudouris Diploma thesis, Department of Computer Engineering and Informatics, University of Patras, Greece, 2013 [ pdf (in greek) | code ]